feat: slack notification about quali (#764)

.github/workflows/qualify.yaml

@@ -113,3 +113,29 @@ jobs:
           filename: ${{ inputs.version }}-${{ steps.date.outputs.date }}.tar
           folderId: ${{ secrets.ARTIFACTS_DRIVE_FOLDER_ID }}
           name: ${{ inputs.version }}-${{ steps.date.outputs.date }}.tar
+
+      - name: "Setup message"
+        id: slack
+        shell: bash
+        run: |
+          COMMIT="${{ inputs.version }}"
+          FULL_MESSAGE="Qualification of \`${COMMIT}\`: "
+          if [[ "${{ needs.qualify.result }}" =~ ^(success)$ ]]; then
+            FULL_MESSAGE="${FULL_MESSAGE} :white_check_mark:"
+          elif [[ "${{ needs.qualify.result }}" =~ ^(failure|timed_out)$ ]]; then
+            FULL_MESSAGE="${FULL_MESSAGE} :x:"
+          fi
+
+          echo "message=${FULL_MESSAGE}" >> $GITHUB_OUTPUT
+
+      - name: "Notify DRE on slack"
+        uses: slackapi/slack-github-action@6c661ce58804a1a20f6dc5fbee7f0381b469e001 # v1.25.0
+        with:
+          channel-id: eng-release-bots
+          slack-message: |
+            ${{ steps.slack.outputs.message }}
+
+            Artifacts of run: `${{ inputs.version }}-${{ steps.date.outputs.date }}.tar`
+            Artifacts can be found on <https://drive.google.com/drive/u/1/folders/${{secrets.ARTIFACTS_DRIVE_FOLDER_ID}}|Google Drive :open_file_folder:>
+        env:
+          SLACK_BOT_TOKEN: ${{ secrets.SLACK_API_TOKEN }}